mirror of
https://github.com/apple/swift.git
synced 2026-06-20 15:42:51 +02:00
Doug Gregor
104 lines
3.5 KiB
Swift
104 lines
3.5 KiB
Swift
// RUN: %empty-directory(%t)
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// Single-threaded exclusivity checking implementation.
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// Build without optimization.
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// RUN: %target-swift-frontend -enable-experimental-feature Embedded -parse-as-library %s -emit-ir -o %t/yesopt.ll -enforce-exclusivity=checked -enable-experimental-feature EmbeddedDynamicExclusivity
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// RUN: %target-swift-frontend -enable-experimental-feature Embedded -parse-as-library %s -c -o %t/a.o -enforce-exclusivity=checked -enable-experimental-feature EmbeddedDynamicExclusivity
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// Ensure that the detailed printing strings are there in the resulting binary.
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// RUN: %FileCheck -check-prefix YESOPT %s < %t/yesopt.ll
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// Run without optimization.
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// RUN: %target-clang %t/a.o %target-embedded-posix-shim -o %t/noopt.out -L%swift_obj_root/lib/swift/embedded/%module-target-triple %target-clang-resource-dir-opt -lswift_Concurrency %target-swift-default-executor-opt -dead_strip -lswiftExclusivitySingleThreaded
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// RUN: %target-run not --crash %t/noopt.out
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// Build with optimization.
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// RUN: %target-swift-frontend -enable-experimental-feature Embedded -parse-as-library %s -emit-ir -o %t/noopt.ll -enforce-exclusivity=checked -enable-experimental-feature EmbeddedDynamicExclusivity -O
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// RUN: %target-swift-frontend -enable-experimental-feature Embedded -parse-as-library %s -c -o %t/a.o -enforce-exclusivity=checked -enable-experimental-feature EmbeddedDynamicExclusivity -O
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// Ensure that the detailed printing strings are not there in the resulting
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// binary.
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// RUN: %FileCheck -check-prefix NOOPT %s < %t/noopt.ll
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// Run with optimization.
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// RUN: %target-clang %t/a.o %target-embedded-posix-shim -o %t/opt.out -L%swift_obj_root/lib/swift/embedded/%module-target-triple %target-clang-resource-dir-opt -lswift_Concurrency %target-swift-default-executor-opt -dead_strip -lswiftExclusivitySingleThreaded
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// RUN: %target-run not --crash %t/opt.out
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// REQUIRES: executable_test
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// REQUIRES: swift_in_compiler
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// REQUIRES: optimized_stdlib
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// REQUIRES: swift_feature_Embedded
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// REQUIRES: swift_feature_EmbeddedDynamicExclusivity
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// UNSUPPORTED: OS=wasip1
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struct NC: ~Copyable {
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var i: Int = 1
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mutating func add(_ other: borrowing Self) {
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i += other.i
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i += other.i
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print(self.i)
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print(other.i)
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}
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}
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class C1 {
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var nc = NC()
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@inline(never)
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func foo() {
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nc.add(nc)
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}
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}
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struct S {
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var i: Int = 1
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@inline(never)
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mutating func add(_ c: C2) {
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let other = c.getS()
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i += other.i
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i += other.i
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print(self.i)
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print(other.i)
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}
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}
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final class C2 {
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var s = S()
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@inline(never)
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func getS() -> S { s }
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@inline(never)
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func foo() {
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s.add(self)
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}
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}
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@main
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struct Main {
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static func main() {
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// FIXME: These are actually disabled, because we don't flush standard
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// output before crashing.
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// CHECK: Simultaneous access to 0x{{.*}}, but modification requires exclusive access
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// CHECK: Previous access (a modify) started at 0x{{.*}}
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// CHECK: Current access (a read) started at 0x{{.*}}
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C1().foo()
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}
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}
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// YESOPT: [[SIMULT_ACCESS_STR:@.*]] = private unnamed_addr constant [26 x i8] c"Simultaneous access to 0x\00"
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// YESOPT: define{{.*}}void @"$es35_embeddedReportExclusivityViolation9oldAction0E2PC03newF00hG07pointerys6AccessV0F0O_SVSgAjKSVtF"
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// YESOPT-NOT: unreachable
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// YESOPT: [[SIMULT_ACCESS_STR]]
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// NOOOPT-NO: Simultaneous access to 0x
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// NOOPT: define{{.*}}void @swift_beginAccess
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// NOOPT: tail call swiftcc void [[TRAPFN:@.*]]()
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// NOOPT: define{{.*}}void [[TRAPFN]]()
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// NOOPT: call void @llvm.trap()
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// NOOPT: unreachable
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